x/vmware-nsx
Code Issues Proposed changes

Merge "Ignore PortNotFound exceptions on lockless delete"

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This commit is contained in:
Jenkins 2014-03-21 06:30:29 +00:00 committed by Gerrit Code Review
commit ec03ef7010
3 changed files with 36 additions and 1 deletions
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8
neutron/db/db_base_plugin_v2.py
View File

@ -1424,7 +1424,13 @@ class NeutronDbPluginV2(neutron_plugin_base_v2.NeutronPluginBaseV2,
query = query.filter(models_v2.Port.network_id == network_id)
port_ids = [p[0] for p in query]
for port_id in port_ids:
self.delete_port(context, port_id)
try:
self.delete_port(context, port_id)
except n_exc.PortNotFound:
# Don't raise if something else concurrently deleted the port
LOG.debug(_("Ignoring PortNotFound when deleting port '%s'. "
"The port has already been deleted."),
port_id)
def _delete_port(self, context, id):
query = (context.session.query(models_v2.Port).

4
neutron/tests/unit/cisco/test_network_plugin.py
View File

@ -862,6 +862,10 @@ class TestCiscoPortsV2(CiscoNetworkPluginV2TestCase,
plugin_ref = self._get_plugin_ref()
self._test_delete_ports_by_device_id_second_call_failure(plugin_ref)
def test_delete_ports_ignores_port_not_found(self):
plugin_ref = self._get_plugin_ref()
self._test_delete_ports_ignores_port_not_found(plugin_ref)
class TestCiscoNetworksV2(CiscoNetworkPluginV2TestCase,
test_db_plugin.TestNetworksV2):

25
neutron/tests/unit/test_db_plugin.py
View File

@ -1711,6 +1711,31 @@ fixed_ips=ip_address%%3D%s&fixed_ips=ip_address%%3D%s&fixed_ips=subnet_id%%3D%s
plugin = NeutronManager.get_plugin()
self._test_delete_ports_by_device_id_second_call_failure(plugin)
def _test_delete_ports_ignores_port_not_found(self, plugin):
ctx = context.get_admin_context()
with self.subnet() as subnet:
with contextlib.nested(
self.port(subnet=subnet, device_id='owner1'),
mock.patch.object(plugin, 'delete_port')
) as (p, del_port):
del_port.side_effect = n_exc.PortNotFound(
port_id=p['port']['id']
)
network_id = subnet['subnet']['network_id']
try:
plugin.delete_ports_by_device_id(ctx, 'owner1',
network_id)
except n_exc.PortNotFound:
self.fail("delete_ports_by_device_id unexpectedly raised "
"a PortNotFound exception. It should ignore "
"this exception because it is often called at "
"the same time other concurrent operations are "
"deleting some of the same ports.")
def test_delete_ports_ignores_port_not_found(self):
plugin = NeutronManager.get_plugin()
self._test_delete_ports_ignores_port_not_found(plugin)
class TestNetworksV2(NeutronDbPluginV2TestCase):
# NOTE(cerberus): successful network update and delete are